https://padlet.com/nandita/FORMULA en-us 2016-04-07 16:15:12 UTC 2016-08-20 05:05:27 UTC hello@padlet.com nandita https://padlet.com/nandita/FORMULA/wish/114352329 substituution of values in a  formula]]> 2016-06-10 17:40:15 UTC https://padlet.com/nandita/FORMULA/wish/114352329 nandita https://padlet.com/nandita/FORMULA/wish/114353140 2016-06-10 17:55:28 UTC https://padlet.com/nandita/FORMULA/wish/114353140 nandita https://padlet.com/nandita/FORMULA/wish/114368304 2016-06-11 01:46:57 UTC https://padlet.com/nandita/FORMULA/wish/114368304